JPS57124256A - Air current direction indicator - Google Patents
Air current direction indicatorInfo
- Publication number
- JPS57124256A JPS57124256A JP56200258A JP20025881A JPS57124256A JP S57124256 A JPS57124256 A JP S57124256A JP 56200258 A JP56200258 A JP 56200258A JP 20025881 A JP20025881 A JP 20025881A JP S57124256 A JPS57124256 A JP S57124256A
- Authority
- JP
- Japan
- Prior art keywords
- air current
- current direction
- direction indicator
- indicator
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPINGÂ
- B63B49/00—Arrangements of nautical instruments or navigational aids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H8/00—Sail or rigging arrangements specially adapted for water sports boards, e.g. for windsurfing or kitesurfing
- B63H8/50—Accessories, e.g. repair kits or kite launching aids
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Toys (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8008835A SE424923B (en) | 1980-12-16 | 1980-12-16 | AIR FLOW INDICATOR AT WINDSURFING BROAD |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57124256A true JPS57124256A (en) | 1982-08-03 |
Family
ID=20342481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56200258A Pending JPS57124256A (en) | 1980-12-16 | 1981-12-14 | Air current direction indicator |
Country Status (6)
Country | Link |
---|---|
US (1) | US4437425A (en) |
JP (1) | JPS57124256A (en) |
AU (1) | AU7835681A (en) |
DE (1) | DE3149065A1 (en) |
FR (1) | FR2496271A1 (en) |
SE (1) | SE424923B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4637331A (en) * | 1984-11-28 | 1987-01-20 | Jackson Gregg B | Sail and sailing rig |
US4896534A (en) * | 1988-11-21 | 1990-01-30 | Daly Daniel C | Float-type flowmeter |
US5054413A (en) * | 1990-12-03 | 1991-10-08 | James Galarza | Sailboat pennant mounting unit |
US5877415A (en) * | 1997-11-03 | 1999-03-02 | Kruse; Lars | Laminar airflow detector |
US7673576B2 (en) * | 2006-06-21 | 2010-03-09 | Miller James W | Aerodynamic lift enhancement gate valve |
-
1980
- 1980-12-16 SE SE8008835A patent/SE424923B/en unknown
-
1981
- 1981-12-08 US US06/328,642 patent/US4437425A/en not_active Expired - Fee Related
- 1981-12-08 AU AU78356/81A patent/AU7835681A/en not_active Abandoned
- 1981-12-09 FR FR8122985A patent/FR2496271A1/en active Granted
- 1981-12-11 DE DE19813149065 patent/DE3149065A1/en not_active Withdrawn
- 1981-12-14 JP JP56200258A patent/JPS57124256A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
AU7835681A (en) | 1982-06-24 |
SE424923B (en) | 1982-08-16 |
FR2496271A1 (en) | 1982-06-18 |
FR2496271B3 (en) | 1983-10-21 |
US4437425A (en) | 1984-03-20 |
DE3149065A1 (en) | 1982-07-29 |
SE8008835L (en) | 1982-06-17 |
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